lose
/luːz/- be deprived of or cease to have or retain (something)失去：
I've lost my appetite
我没有胃口
Linda was very upset about losing her job
琳达因为丢了工作很沮丧
the company may find itself losing customers to cheaper rivals.
公司可能会发现客户被价格更优惠的对手抢走了。
- with two objs cause (someone) to fail to gain or retain (something)使（某人）失去（某物）：
you lost me my appointment at London University.
你让我失去了在伦敦大学的职位。
- be deprived of (a close relative or friend) through their death or as a result of the breaking off of a relationship（因死亡、断交）痛失（亲属, 朋友）：
she lost her husband in the fire.
她的丈夫在大火中丧生。
- (of a pregnant woman) miscarry (a baby) or suffer the death of (a baby) during childbirth（孕妇）流产; 产下死婴。
be lost
be destroyed or killed, especially through accident or as a result of military action（尤指事故、军事行动中）遇难, 牺牲：a fishing disaster in which 129 local men were lost.
一次导致129名当地男子死亡的渔难。
- decrease in (body weight); undergo a reduction of (a specified amount of weight)减轻（体重）; 减少（重量）：
she couldn't eat and began to lose weight.
她无法进食, 体重开始下降。
- waste or fail to take advantage of (time or an opportunity)未能赶上; 错过（时间, 机会）：
he may have lost his chance of taking over as world No. 1
他可能已经错过夺取世界冠军的机会
the government lost no time in holding fresh elections.
政府抓紧时间举行新选举。
- (of a watch or clock) become slow by (a specified amount of time)（钟表）变慢（若干时间）：
this clock will neither gain nor lose a second.
这个钟走时丝毫不差。
lose it
informal lose control of one's temper or emotions〈非正式〉情绪失控：in the end I completely lost it - I was screaming at them.
最后我实在控制不了情绪, 冲着他们大叫了起来。
- become unable to find (something or someone)丢失：
I've lost the car keys.
我把汽车钥匙弄丢了。
- cease or become unable to follow (the right route)迷路：
the clouds came down and we lost the path.
云幕渐渐低垂, 我们迷路了。
- evade or shake off (a pursuer)甩掉, 摆脱（追踪者）：
he came after me waving his revolver, but I easily lost him.
他在后面挥动着左轮手枪跟着我, 但我轻易地甩掉了他。
- N. Amer. informal get rid of (an undesirable person or thing)〈北美, 非正式〉除掉, 干掉（不喜欢的人或物）：
lose that creep!
干掉那讨厌的家伙。
- informal cause (someone) to be unable to follow an argument or explanation〈非正式〉使弄不懂：
sorry, Tim, you've lost me there.
蒂姆, 很抱歉, 你把我弄糊涂了。
lose oneself in/be lost in
be or become deeply absorbed in (something)沉湎于; 专注于：he had been lost in thought.
他陷入了沉思。
- fail to win (a game or contest)输掉; 未赢得（游戏, 竞赛）：
England lost eight out of the eleven one-day internationals.
在十一场为期一天的国际比赛中, 英格兰输了八场
no obj. they lost by one vote.他们以一票之差败北
as adj. losing the losing side.失败方。
- with two objs cause (someone) to fail to win (a game or contest)（使某人）输掉（比赛, 游戏）：
that shot lost him the championship.
那一枪使他与冠军无缘。
- earn less (money) than one is spending or has spent入不敷出, 亏损：
the paper is losing £1.5 million a month.
这家报纸每月亏损150万英镑
no obj. he lost heavily on box office flops.票房收入走低使他损失惨重。
have nothing to lose
- be in a situation that is so bad that even if an action or undertaking is unsuccessful it cannot make it any worse已然身陷绝境, 何须计较得失？
lose face
- come to be less highly respected丢面子：
he was trying to work out how he could go back home without losing face.
他在设法找出不失面子回家的办法。
lose heart
- become discouraged灰心, 气馁。
lose one's heart to
- 见HEART.
lose height
- (of an aircraft) descend to a lower level in flight（飞机）降低飞行高度。
lose one's mind（或one's marbles）
- informal go insane〈非正式〉精神失常。
lose sleep
- usu. with negative worry about something担心, 忧虑：
no one is losing any sleep over what he thinks of us.
没人在意他怎样看我们。
lose one's （或the） way
- become lost; fail to reach one's destination迷路。
- figurative no longer have a clear idea of one's purpose or motivation in an activity or business〈喻〉（办事或经营中）不再有明确目标（或动力）; 迷失方向：
the company has lost its way and should pull out of general insurance.
公司已经迷失了经营方向, 应该撤出常规保险业务。
you can't lose
- used to express the conviction that someone must inevitably profit from an action or undertaking包赚, 包你得益：
we're offering them for only £2.50 - you can't lose!
我们仅以2.5英镑的价格提供商品, 包你得益！
lose out
- be deprived of an opportunity to do or obtain something; be disadvantaged未能得到; 错过; 未能赶上：
youngsters who were losing out on regular schooling.
错过接受正规教育机会的年轻人。
- be beaten in competition or replaced by（在竞争中）失败; （被）取代：
they were disappointed at losing out to Berlin in the semi-finals
他们因为在半决赛中输给柏林队而沮丧不已。